Cooking Steps

1. 

   Step1:Soak the tail cold water for an hour or two to remove the blood. Take a pot of cold water and put in the tail with the blood soaked water. Heat it to remove the froth. Boil it for a while until there is no dirty frot

2. 

   Step2:Put the good oxtail into the casserole. Put the scallion, ginger slices and star anise into the casserole. Add some vinegar to the casserole when it's full of cold water and high heat. Simmer for two hours. Add enough cold water at one time. Don't keep adding water in the middle of the da

3. 

   Step3:It's almost time to stew. Peel and cut the iron stick yam, put it into the pot and cook it for more than ten minutes until the yam is soft cooked. Before leaving the pot, add some salt, cut some coriander and scallion, and put them into the bowl. Pour the hot soup with full fragrance